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Guides to webhooks and HTTP

Practical explanations for developers building and debugging integrations. Each guide stands on its own; read them in order if you are new to webhooks.
  1. 01What is a webhook?How webhooks deliver events over plain HTTP, how they compare to polling, and what every receiver has to get right.7 min
  2. 02Anatomy of an HTTP requestMethod, path, query string, headers and body: what each part means and how to read it when debugging.8 min
  3. 03Working with JSON webhook payloadsContent types, event envelopes, large numbers, dates, missing fields and the parsing mistakes that break receivers.7 min
  4. 04Debugging webhook deliveries step by stepA practical checklist for webhooks that never arrive, arrive twice, time out or fail validation.9 min
  5. 05Verifying webhook signatures with HMACWhy providers sign deliveries, how HMAC verification works on the raw body, and how to stop replayed requests.8 min